Encyclopedia Entry: 74ACT174SJ

Product Overview

Category

The 74ACT174SJ belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is commonly used in digital electronics for storing and manipulating binary data. It serves as a D-type positive-edge-triggered flip-flop with an asynchronous clear input.

Characteristics

• Positive-edge-triggered flip-flop
• Asynchronous clear input
• High-speed operation
• Low power consumption
• Wide operating voltage range

Package

The 74ACT174SJ is available in a small outline integrated circuit (SOIC) package, which provides ease of handling and compatibility with various electronic systems.

Essence

The essence of the 74ACT174SJ lies in its ability to store and transfer binary information reliably, making it an essential component in digital systems.

Packaging/Quantity

The IC is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Voltage: VCC - 0.3V
• Low-Level Output Voltage: 0.3V
• Maximum Operating Frequency: 200 MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT174SJ has a total of 16 pins, each serving a specific function:

1. Clear (CLR)
2. Data (D)
3. Clock (CLK)
4. Output Enable (OE)
5. Q0 Output
6. Q1 Output
7. Q2 Output
8. Q3 Output
9. Ground (GND)
10. Q3' Output
11. Q2' Output
12. Q1' Output
13. Q0' Output
14. Clock Enable (CE)
15. VCC (Positive Power Supply)
16. Set (SET)

Functional Features

The key functional features of the 74ACT174SJ include:

• Positive-edge triggering: The flip-flop captures and stores data on the rising edge of the clock signal.
• Asynchronous clear input: Allows for immediate clearing of stored data when the clear input is activated.
• Output enable control: Enables or disables the outputs, providing flexibility in data transfer.

Advantages and Disadvantages

Advantages

• High-speed operation: Suitable for applications requiring fast data processing.
• Low power consumption: Helps conserve energy in electronic systems.
• Wide operating voltage range: Provides compatibility with various power supply configurations.

Disadvantages

• Limited storage capacity: The IC can store a single bit of information, which may be insufficient for certain applications.
• Sensitivity to noise: External interference can affect the reliability of data storage and transfer.

Working Principles

The 74ACT174SJ operates based on the principles of sequential logic. It utilizes positive-edge triggering to capture and store the input data when the clock signal rises from low to high. The stored data remains unchanged until the next rising edge of the clock signal. The asynchronous clear input allows for immediate clearing of the stored data, regardless of the clock signal.

Detailed Application Field Plans

The 74ACT174SJ finds application in various digital systems, including but not limited to:

1. Microprocessors and microcontrollers
2. Data storage devices
3. Communication systems
4. Control systems
5. Digital signal processing

Its ability to store and transfer binary data makes it suitable for applications that require sequential logic and data manipulation.

Detailed and Complete Alternative Models

1. 74HC174: Similar to the 74ACT174SJ, but operates at a lower voltage range (2V to 6V).
2. 74LS174: A low-power alternative with similar functionality, but operates at a higher voltage range (4.75V to 5.25V).
3. CD40174: A CMOS-based flip-flop IC with comparable characteristics, but operates at a wider temperature range (-55°C to +125°C).

These alternative models offer similar functionality to the 74ACT174SJ, providing options based on specific application requirements.

In conclusion, the 74ACT174SJ is a versatile flip-flop IC used in digital electronics for storing and manipulating binary data. Its high-speed operation, low power consumption, and wide operating voltage range make it suitable for various applications. However, its limited storage capacity and sensitivity to noise should be considered when selecting this IC.